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Individual Calculations December 2018 |
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| Al-Zaabi, Sultan Total change: 36.00 | |   |
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| Arab Chess Individual Championship 2018 U18 Open | Hammamet | TUN | 2018-10-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1919 | 1945 | 6.50 | 9 | 1.75 | 40 | 70.00 | |
|  Ben Rhaiem, Mohamed | | | 1661 | TUN | 1.00 | 1 | 0.16 | 40 | 6.40 | |  Ahmed, Jaza Jamal | c | | 2064 | IRQ | 0.50 | 1 | 0.16 | 40 | 6.40 | | | Rebaz, Nasir Jamal | | | 1908 | IRQ | 1.00 | 1 | 0.45 | 40 | 18.00 | | | Mohamed, Nouali | f | | 2026 | TUN | 0.50 | 1 | 0.11 | 40 | 4.40 | | | Araoun, Saadi | c | | 2057 | ALG | 1.00 | 1 | 0.65 | 40 | 26.00 | | | Zrikem, Nassim | c | | 2108 | MAR | 1.00 | 1 | 0.72 | 40 | 28.80 | | | Toom, Moaath | | | 1807 | PLE | 0.50 | 1 | -0.19 | 40 | -7.60 | | | Al-Bashayra, Yazan | f | | 1935 | JOR | 1.00 | 1 | 0.49 | 40 | 19.60 | | | Chorfen, Youssef | | | 1709 | TUN | 0.00 | 1 | -0.80 | 40 | -32.00 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | Western Asia Youth Championship 2018 - U18 Open | Tashkent | UZB | 2018-11-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1900 | 1945 | 3.00 | 7 | -0.85 | 40 | -34.00 | |
| | Kashefi, Amir Hosein | f | | 2269 | IRI | 0.50 | 1 | 0.37 | 40 | 14.80 | | | Abylkasymov, Kairatbek | | | 1844 | KGZ | 0.50 | 1 | -0.14 | 40 | -5.60 | | | Rathnayake, Vishmika A B | | | 1677 | SRI | 0.50 | 1 | -0.33 | 40 | -13.20 | | | Eminjonov, Muzaffarjon | | | 2025 | UZB | 0.50 | 1 | 0.11 | 40 | 4.40 | | | Umirov, Uchkun | | | 1837 | UZB | 1.00 | 1 | 0.35 | 40 | 14.00 | | | Abdurakhmanov, Mukhmmadali | | | 2106 | UZB | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Nessipbayev, Bekmukhamed | | | 1545 * | KAZ | 0.00 | 1 | -0.92 | 40 | -36.80 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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